package ooday02;
//派生类
public class student extends Person{

    String className;
    String stuId;
    student(String name,int age,String address,String className,String stuId){
        super(name,age,address);
        this.className = className;
        this.stuId = stuId;
    }

    void study(){
        System.out.println(name+ "正在学习.....");
    }
    void sayHi(){
        System.out.println("大家好，我叫"+name+"，今年"+age+"岁了,住在"+address+"所在班级"+className+"学号"+stuId);
    }
}
